Router circular guide



FIG. 1 is a top perspective view of a router circular guide showing my new design;

FIG. 2 is a bottom perspective view;

FIG. 3 is a side view;

FIG. 4 is a first end view (small end); and,

FIG. 5 is a second end view (larger end). 

The ornamental design for a router circular guide, as shown and described. 